Odor Control Technician Practice Questions - IICRC Odor Control Technician (OCT) Exam

Pet urine produces persistent odor primarily because:

Urine is acidic and quickly evaporates without residue Uric acid crystals are insoluble in water and reactivate when exposed to humidity Pet urine contains no nitrogen compounds Bacteria cannot grow in urine residue

Correct Answer:

Uric acid crystals are insoluble in water and reactivate when exposed to humidity

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